2R19:
reference: Novel structure of the conserved gram-negative lipopolysaccharide transport protein a and mutagenesis analysis., Suits MD, Sperandeo P, Deho G, Polissi A, Jia Z, J Mol Biol. 2008 Jul 11;380(3):476-88. Epub 2008 Apr 26. PMID: 18534617

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).